gender/pregnancy reveal ideas

Casey
We found out today we are having a girl (we have 2 boys) anywho I haven't told anyone but family, I'm trying to find a cute way to announce it on social media. 
Which idea is better? Or none? Give me ideas!!! Please IDEA 1: Like this but it would be done with 2 large eggs and 3 smaller eggs, colors appropriate with the baby been both colors then I would do a 2nd picture similar to the one below with the egg spilled over
IDEA2: OR I could just do the baby as a pink making it one photo....
IDEA 3: like this then a 2nd picture saying "never mind you can't have my sister"
IDEA 4: or with the heart behind the ultrasound been pink to show it's a girl 
**I would not say this is our last promise 🙄